Hi, I'm sorry but this part sounds a bit too biased to me. It's maybe a pro for ISA but for me it's not enough reason to say what you're saying. Han. -----Original Message----- From: Thomas W Shinder [mailto:tshinder@xxxxxxxxxxxxxxxxxx] Sent: Tuesday, June 17, 2003 17:58 To: [ISAserver.org Discussion List] Subject: [isalist] 819127 - User Credentials Are Transmitted in Clear Text When You Access an SSL Outlook Web Access Server by Using HTTP Protocol This is a significant problem, since the ability to limit access by requiring "pre-authentication" at the ISA firewall is a big reason why ISA blows away the competition.